Why Instagram load times are so fast

Kevin Systrom co-founded Instagram in 2010 as a pivot from Burbn, a check-in app that had grown too complicated. He stripped it back to one thing: photo sharing. Within 24 hours of launching, it had 25,000 users. Two years later, Facebook acquired it for $1 billion with just 13 employees. Before any of that, Systrom spent time at Google and it’s there, where he learned that the smallest engineering decisions can define how a product feels. Source: Lex Fridman Podcast 243